Doramectin (Dectomax) is a veterinary drug approved by the Food and Drug Administration (FDA) for the treatment of parasites such as gastrointestinalroundworms, lungworms, eyeworms, grubs, sucking liceand mange mites in cattle.
Doramectin is also marketed in many Latin-American and some Asia and Africa countries as Doramec L.A.(manufactured by Agrovet Market Animal Health) in an 1% Doramectin Long Acting Injectable Solution forcattle, sheep, swine and others. Its oleous carrier confers to Doramec L.A. a slow and prolonged liberation, extending its action up to 42 days.
Doramectin is also available for horses as an oral flavored bioadhesive gel under the name Doraquest L.A. Oral Gel.It can be used to control and treat internal parasites as roundworms, lungworms and some external parasites.  

Application & Function of Nitenpyram
It is used for the treatment and control of internal parasitosis (gastrointestinal and pulmonary nematodes), ticks and mange (and other ectoparasites). Doramectin is a derivative of ivermectin. Its spectrum includes:Haemonchus spp., Ostertagia spp., Trichostrongylusspp., Cooperia spp., Oesophagostomum spp., Dictyocaulus viviparus, Dermatobia hominis, Boophilus microplus,Psoroptes bovis, among many other internal and external parasites. It is available in 2 dosage forms: as aninjection and as a 5 mg/ml topical solution.
Efficacy of doramectin:
Doramectin is effective against the major parasitic roundworms: gastrointestinal and pulmonary. It is also effecive against most mites and lice species, and against numerous myiases (e.g. those caused by screwworm flies, bot flies and warble flies) usually regardless of the delivery form

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